Improvement in revolving- scales



HERMANN VON SGHLAGIN'IWEIT-SAKNLNSKI, 0F MUNICH, BAVARIA.

Letters Patent N 97,138, (lated November 23, 1869.

IMPROVEMENT IN REVOLVING- SCALES.

Tlc Scheulc referred'to in these Letters Patent and making part cf the name.

Be it known that I, HERMANN Vox SCHLAGINT- WEIT-SAKNLNSKI, ot the city of Munich, and the Kingdom of Bavaria, havo im'en'ted a new and useful instrument for measuring straight and curved lines on maps, charts, plats oi' ground', lengths of rivers, roads, rails, Uve., called a Revolving Scale; and I hereby declare that the ihllowing is a i'uil and suicientdescriptiou thereof', reference lieinf.: had to the accompanying drawings, and references thereon, makin.r a part of the description.

Let F igure l represent a horizontal elevation of the instrument'.

Figure 2, .a vertical viewLshowing the spurred wheel b v an edgeview, showing the click-bar d and the piu x.

Figure 3 is anv enlarged view of the lig. 2.

The nature of lheinvcutiou consists in the construction of an instrument, to be hehl in tho hand, and called :r1-evolving scale, made up of a shaft, A, or handle, revolving Wheel B, with five spurs ou its periphery, for exactly measuring the space passed over,

- and a click-bar, 1,and pin x, which bar strikes against the revolving piu in wheel B, and gives a sound that the spur has simultaneously struck the paper, while tl1e'-click-barlStrikes the pin; also, ou the opposite end 4ot' the shaft A is a measuring-plate,-G, ofthe exact distance fromispur to spur on the periphery of the .wheel B, formed and operating substantially-as described.

Munich, 20th January, 1869.

HERMANN Vo'N SCHLAGINTWEIr-SAKNLXSKI; XVitnesses: v

FRANCIS H. KIRMAYER, W. N. `VVHoLLs. 

